The x face of the stress element is used as a reference in determining the orientation of the maximum in-plane shear stress. Recall that the state of stress on the x face is denoted by point x on Mohr's circle.
The x face of the stress element is used as a reference in determining the orientation of the maximum in-plane shear stress. Recall that the state of stress on the x face is denoted by point x on Mohr's circle.